BendPak HD-7MZ Installation And Operation Manual Download Page 39

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LIFT WILL NOT RAISE

POSSIBLE CAUSE

1. Air in oil, (1,2,8,13)

2. Cylinder binding, (9)

3. Cylinder leaks internally, (9)

4. Motor run backward under pressure, (11)

5. Lowering valve leaks, (3,4,6,10,11)

6. Motor runs backwards, (7,14,11)

7. Pump damaged, (10,11)

8. Pump won’t prime, (1,8,13,14,3,12,10,11)

9. Relief valve leaks, (10,11)

10. Voltage to motor incorrect, (7,14,11)

REMEDY

INSTRUCTION

1. Check for proper oil level. . . . . . . . . . . . . . . . . . . . . . . . . . The oil level should be up to the bleed screw

in the reservoir with the lift all the way down.

2. Bleed cylinders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Installation Manual.

3. Flush- Release valve to get rid of. . . . . . . . . . . . . . . . . . . . . Hold release handle down and start unit allowing

possible contamination

it to run for 15 seconds.

4. Dirty oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . Replace oil with clean Dexron ATF.

5. Tighten all fasteners. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten fasteners to recommended torques.

6. Check for free movement of release. . . . . . . . . . . . . . . . . . . If handle does not move freely, replace bracket

handle

assembly.

7. Check motor is wired correctly. . . . . . . . . . . . . . . . . . . . . . . Compare wiring of motor to electrical diagram on

drawing.

8. Oil seal damaged or cocked . . . . . . . . . . . . . . . . . . . . . . . . .Replace oil seal around pump shaft.

9. See Installation Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . Consult Lift Manufacturer.

10. Replace with new part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace with new part.

11. Return unit for repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Return unit for repair.

12. Check pump-mounting bolts . . . . . . . . . . . . . . . . . . . . . . . . Bolts should be 15 to 18 ft. lbs.

13. Inlet screen clogged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean inlet screen or replace.

14. Check wall outlet voltages and wiring . . . . . . . . . . . . . . . . . .Make sure unit and wall outlet are wired properly.

Summary of Contents for HD-7MZ

Page 1: ...s receipt of this product as listed in your invoice as being in a good condition of shipment If any of these goods listed on this Bill of Lading are missing or damaged do not accept goods until the shipping carrier makes a notation on the freight bill of the missing or dam aged goods Do this for your own protection BE SAFE Your new lift was designed and built with safety in mind However your overa...

Page 2: ...parts or warranty issues PRODUCT WARRANTY Our comprehensive product warranty means more than a commitment to you It is also a commitment to the value of your new BendPak lift For full warranty details and to register your new lift contact your nearest BendPak dealer or visit http www bendpak com support warranty NOTE Every effort has been taken to ensure complete and accurate instructions have bee...

Page 3: ...ct initial function t Read and follow the safety instructions Keep them readily available for machine operators t Make certain all operators are properly trained know how to safely and correctly operate the unit and are properly supervised t Allow unit operation only with all parts in place and operating safely t Carefully inspect the unit on a regular basis and perform all maintenance as required...

Page 4: ...Runway Installation 15 Step 6 Offside Runway Installation 15 Cable Routing Information 16 17 Step 7 Sheave Installation 18 Step 8 Cable Installation 18 19 Step 9 Power Unit Installation 19 20 Step 10 Routing Hydraulic Hoses 21 22 Step 11 Routing Air Lines 23 Safety Air Line Routing 24 Step 12 Power Unit Hook Up 25 27 Step 13 Inspecting Slack Safety Springs 27 Step 14 Lift Start Up Final Adjustment...

Page 5: ... to operator or bystander or damage to property or lift Failure to follow danger warning and caution instruc tions may lead to serious personal injury or death to operator or bystander or damage to property Please read entire manual prior to installation Do not operate this machine until you read and understand all the dangers warnings and cautions in this manual For additional copies or further i...

Page 6: ...afeties are engaged before any attempt is made to work on or near vehicle DRESS PROPERLY Non skid steel toe footwear is recommended when operating lift Keep hair loose clothing fingers and all parts of body away from moving parts GUARD AGAINST ELECTRIC SHOCK This lift must be grounded while in use to protect the operator from electric shock Never connect the green power cord wire to a live termina...

Page 7: ...s lift on expansion seams or on cracked or defective concrete t DO NOT install or use this lift on a second elevated floor without first consulting building architect CONCRETE SPECIFICATIONS Lift Model HD 7MZ HD 7PXW HD 7PXN Concrete Requirements 4 25 Min Thickness 3 000 PSI 4 25 Min Thickness 3 000 PSI 4 25 Min Thickness 3 000 PSI All models MUST be installed on 3 000 PSI or above con crete only ...

Page 8: ...e Offside Runway Stiffener Bar Tire Stops Power Unit Column Stabilizing Cables WARNING When removing the lift from shipping angles pay close attention as the posts can slide and can cause injury Prior to removing the bolts make sure the posts are held securely by a fork lift or some other heavy lifting device ...

Page 9: ... 1 603 mm 63 1 603 mm 63 1 603 mm L Outside Edge of Runways Narrow N A 75 5 1 927 mm 75 5 1 919 mm L Outside Edge of Runways Wide 82 2 085 mm 82 2 085 mm 82 2 085 mm M Drive Thru Clearance 86 5 2 201 mm 86 5 2 201 mm 97 2 467 mm N Length of Runways 188 4 788 mm 188 4 788 mm 188 4 788 mm Minimum Wheelbase Rated Capacity 135 3 429 mm 135 3 429 mm 135 3 429 mm Minimum Wheelbase 75 Capacity 115 2 921 ...

Page 10: ... refer to elevation of floor A Mark locations where lift columns will be posi tioned in bay B Place target on floor at column positions NOT on column base plates and record readings C Find the highest of the four locations Find the difference between the readings at each of the remaining three columns and the highest reading D The difference is the estimated amount of shim thickness needed at each...

Page 11: ...Runway must be installed to the inside For the remainder of this document we will show the Power Unit mounted at the Passen ger Side Rear Column bottom drawing below For Power Unit at Left front rotate lift 180 leaving Approach Ramps and Front Tire Stops in original position IMPORTANT NOTE POWER UNIT LOCATION Powerside Runway Powerside Runway Power Unit Power Unit X X Approach Ramps Approach Ramps...

Page 12: ... 1 2 per Column using shims and anchors pro vided with the lift A maximum shim thickness of 2 is pos sible by ordering optional shim plates Contact your autho rized BendPak Distributor for ordering information 3 Lay the columns down put the Slide Blocks into place then slide the Cross Tubes into the Columns Make sure to orient the Slide Blocks so that they form a slot which the Ladder will go thro...

Page 13: ...cable hole INWARD See Fig 3 6 3 7 6 Tilt up the Column and Cross Tube assemblies lining the base plates up with the chalk lines made earlier DO NOT BOLT DOWN THE COLUMNS AT THIS TIME See Fig 3 8 7 For HD 7MZ models Bolt both Stiffener Tubes to the Top Caps with the Hex Head Bolts and Nuts See Fig 3 8 and 3 9 8 The Columns and Cross Tubes will now be in position and spaced properly for the Runways ...

Page 14: ...n the Safety Ladder To prevent this manually hold the Slack Safety in the disengaged position while lowering the Cross Tube ends See Fig 4 1 4 3 3 The Columns and Cross Tubes will now be in position and spaced properly for the Runways Be very careful not to disturb the Columns and Cross Tubes at this time as they may tip over causing personal injury or harm See Fig 4 4 Be careful not to disturb th...

Page 15: ...les located at the side of the Powerside Runway should be adjacent to the Power Unit Column Align the holes in the Runway with the holes on the Cross Tubes and bolt together using four M12 x 1 75 x 90 Hex Head Bolts and Washers See Fig 5 4 STEP 6 Offside Runway Installation 1 Position the Offside Runway on top of the Cross Tubes with the Utility Rail located inside Determine the desired location o...

Page 16: ...16 Cable Routing Diagrams Please review the following diagrams and Cable List Install Lifting Cables C and D in the upper grooves of the Sheaves first ...

Page 17: ...le 1 HD 7MZ PXW PXN 5595055 Cable Assembly 10 mm x 12 072 mm D Lifting Cable 1 HD 7MZ PXW PXN 5595032 Cable Assembly 6 mm x 5 770 mm DT Stiffening Cable 4 Cable Routing Diagrams Please review the following diagrams and Cable List Install Lifting Cables C and D in the upper grooves of the Sheaves first Cable Identification List Please review the following Cable List Identify each Cable prior to ins...

Page 18: ...ute the threaded Cable ends through the ends of each Cross Tube Care must be taken when routing the Lifting Cables to ensure they are routed below the Cross Tube Mounting Bolts See Fig 8 2 3 Route Cables over the Slack Safety Sheaves then to the top of each Column Secure using the M18 Hex Head Nuts and Flat Washers See Fig 8 3 Failure to route Lifting Cables as described may lead to serious person...

Page 19: ...e Mounting Bracket using the M8 Hex Head Bolts and Nylock Nuts Then fill the reservoir with 12 quarts of 10 WT hydraulic oil or Dexron III automatic transmission fluid See Fig 9 1 DO NOT PERFORM ANY MAINTENANCE OR INSTALLATION OF ANY COMPONENTS WITHOUT FIRST ENSURING THAT ELECTRICAL POWER HAS BEEN DISCONNECTED AT THE SOURCE OR PANEL AND CANNOT BE RE ENERGIZED UNTIL ALL MAINTENANCE AND OR INSTALLAT...

Page 20: ...e Mounting Vibration Dampener Flex Tube Flex Tube Bracket 90 Air Line Compression Fitting 90 Hydraulic Fitting w O ring Power Unit Plastic Nut Return Port Return Air Line Power Hydraulic Hose Assembly Straight Fitting end Power Port ...

Page 21: ...R WIRING INSTRUCTIONS NOTE Check the Power Unit to determine proper connection ports for Power and Return lines It will be necessary to remove shipping plugs from both ports prior to installing Fittings Fig 10 2 Install Fittings 90 Air Line Compression Fitting 90 O Ring Fitting Fig 10 1 Remove Shipping Plugs Power Port Return Port Fig 10 3 DO NOT run Power Unit with no oil Damage to pump can occur...

Page 22: ...the Hydraulic Hose in the Flex Hose Bracket Assembly Tighten the plastic nuts securely See Fig 10 7 7 Connect the hydraulic hose and air line as shown below making sure the hydraulic hose passes through the retaining rings MAKE SURE HOSES ARE KEPT CLEAR OF CABLES There will be one air line hose left uncon nected in this step This air line will be used to activate the pneumatic safety locks in the ...

Page 23: ...line has been connected with the Push Button Air Valve cut the air lines to length by following the Safety Air Line Routing diagram located on Page 25 and connect female branch tee fittings where needed Fig 11 1 Air Supply In Fig 11 2 NOTE A FILTER REGULATOR LUBRICATOR MUST BE INSTALLED ON AIR SUPPLY AT LIFT FAILURE TO DO SO WILL VOID THE WARRANTY NOTE MAKE SURE THE PUSH BUTTON AIR VALVE PORT MARK...

Page 24: ...OF THE CROSSTUBES To Air Cylinder To Air Cylinder To Air Cylinder To Air Cylinder NOTE FEED AIR LINE TUBING THROUGH THE RETAINER TUBING ON THE INSIDE OF THE POWER SIDE RAMP Retainer Tubing Retainer Tubing Tee Fitting Tee Fitting Tee Fitting PAY CAREFUL ATTENTION TO KEEP AIR LINE CLEAR OF ANY PINCH POINTS IMPROPER ASSEMBLY MAY RESULT IN SAFETY LOCK FAILURE AN MINIMUM AIR SUPPLY PRESSURE OF 30 PSI O...

Page 25: ... letter E or F then use the E or F wiring diagrams IMPORTANT POWER UNIT INSTALLATION NOTES n DO NOT run power unit with no oil Damage to pump can occur n The power unit must be kept dry Damage to power unit caused by water or other liquids such as detergents acid etc is not covered under warranty n Improper electrical hook up can damage motor and will not be covered under warranty n Motor can not ...

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Page 27: ...arts of 10 WT hydraulic oil or Dexron III automatic transmission fluid 2 Spray the inside of the Columns where the Slide Blocks glide with a light lubricant or WD 40 3 Test the Power Unit by pressing the push button switch If the motor sounds like it is operating properly raise the lift and check all Hose connections for leaks If the motor gets hot or sounds peculiar stop and check all electrical ...

Page 28: ...afety release mechanisms are functioning Re adjust if neces sary STEP 15 Anchoring The Columns Proceed to Step 16 if Not Anchoring to Floor HP 7MZ must be anchored 1 Before proceeding double check the measurements and make certain that the bases of each Column are square and aligned with the chalk line Raise the lift up and down and make sure it operates properly at the loca tions prescribed by th...

Page 29: ...d tighten each nut 3 5 turns past hand tight IMPORTANT If anchor bolts do not hold when tightened to indicated amount concrete must replaced Saw cut and remove 24 x 24 square area each column base then re pour with rein forced 2500 PSI concrete to a depth of six inches mini mum keying new concrete under existing floor See Fig 15 5 STEP 16 Attaching the Approach Ramp Tire Stops 1 Install the Front ...

Page 30: ...n the target scale is on the cross hairs of the Level The Runways are now level at all four points See Fig 17 1 10 To complete the leveling procedures lock each Safety Ladder Jam nut tightly against bottom of Column Top Plate See Fig 17 2 11 Next load vehicle onto the lift 12 Raise the lift to full height Listen and watch as the primary safeties engage the safety ladder Synchronize by adjusting th...

Page 31: ...res to periodically maintain the lift in accordance with the lift manufacturer s instructions or ANSI ALI ALOIM 2008 R2013 American National Stan dard for Automotive Lifts Safety Requirements for Opera tion Inspection and Maintenance and The Employer shall ensure lift maintenance personnel are qualified and that they are adequately trained in the maintenance of the lift Shall maintain the periodic...

Page 32: ...hicle while on lift ALWAYS CLEAR AREA if vehicle is in danger of falling ALWAYS REMOVE tool trays stands etc before lower ing lift ALWAYS RELEASE safety locks before attempting to lower lift DO NOT position yourself between a wall and the lift If the vehicle falls in that direction you may be severely injured or killed To Raise Lift 1 Position vehicle tires in the center of each Runway 2 Set parki...

Page 33: ...y are in good operating condition Lubricate locking latch shafts Push release arm several times for oil to penetrate pivot points 2 Check equalizer cable tension Adjust per lift installa tion instructions 3 Check all Cables for excessive signs of wear 4 Make a visual inspection of ALL MOVING PARTS and check for excessive signs of wear Always call local service representative if electrical problems...

Page 34: ... heavy lubricant applied by any method including pump spray dispensing brush hand and or swabbing HOW OFTEN TO INSPECT t Lifting cables should be visually inspected at least once each day when in use as suggested by American Petroleum Institute API RP54 guidelines t Any lifting cables that have met the criteria for removal must be immediately replaced WHEN TO REPLACE LIFTING CABLES DUE TO BROKEN W...

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Page 37: ...t The vehicle manufacturer s recommendations should be used for spotting and lifting the vehicle LIFT OPERATION SAFETY t It is important that you know the load limit Be careful that you do not overload the lift If you are unsure what the load limit is check the data plate found on one of the lift columns or contact the manufacturer t The center of gravity should be followed closely to what the man...

Page 38: ...ures before operating lift t KEEP HANDS AND FEET CLEAR Remove hands and feet from any moving parts Keep feet clear of lift when lowering Avoid pinch points t ONLY TRAINED OPERATORS should operate this lift All non trained personnel should be kept away from work area Never let non trained personnel come in contact with or operate lift t USE LIFT CORRECTLY Use lift in the proper manner Never use lif...

Page 39: ...d start unit allowing possible contamination it to run for 15 seconds 4 Dirty oil Replace oil with clean Dexron ATF 5 Tighten all fasteners Tighten fasteners to recommended torques 6 Check for free movement of release If handle does not move freely replace bracket or handle assembly 7 Check motor is wired correctly Compare wiring of motor to electrical diagram on drawing 8 Oil seal damaged or cock...

Page 40: ...ew part Replace with new part 5 Reset circuit breaker fuse Reset circuit breaker fuse 6 Return unit for repair Return unit for repair 7 See Installation Manual See Installation Manual 8 Check wall outlet voltage and wiring Make sure unit and wall outlet is wired properly Motor must run at 208 230 VAC LIFT LOWERS SLOWLY OR NOT AT ALL POSSIBLE CAUSE 1 Cylinders binding 1 2 Release valve clogged 5 4 ...

Page 41: ...e weight of vehicle to weight limit of the lift 7 Flush release valve Hold release handle down and start unit allowing it to run for 15 seconds 8 Replace with new part Replace with new part 9 Return unit for repair Return unit for repair 10 Check motor is wired correctly Compare wiring of motor to electrical diagram on power unit drawing 11 Inlet screen clogged Clean inlet screen or replace 12 Che...

Page 42: ...ace oil seal around pump shaft 3 Bleed cylinder Refer to Installation Manual 4 Flush release valve Hold release handle down and start unit allowing it to run for 15 seconds 5 Replace with new valve Replace with new valve 6 Return unit for repair Return unit for repair 7 See Installation Manual Consult Lift Manufacturer 8 Check complete hydraulic system for leaks Tighten all hydraulics fittings and...

Page 43: ...0 M6 x 1 0 6 10 14 13 5 16 18 M8 x 1 25 12 19 29 31 4 3 8 16 M10 x 1 50 20 33 47 62 7 16 14 32 54 78 1 2 13 M12 x 1 75 47 78 119 108 9 16 12 M14 x 2 00 69 114 169 173 5 8 11 M16 x 2 00 96 154 230 269 3 4 10 M18 x 2 50 155 257 380 372 7 8 9 M22 x 2 50 206 382 600 716 3 4 Anchor Bolts 75 MIN 110 MAX Torque Recommendations Grease Port Lubrication Locations Lubricate Once A Week ...

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